GOST 3068-88
GOST 3068−88 steel rope double twist rope, type TK construction 6х37 (1+6+12+18)+1х37 (1+6+12+18). Assortment (Change No. 1)
GOST 3068−88
The Group Of 75
INTERSTATE STANDARD
STEEL ROPE DOUBLE twist rope, TYPE TK CONSTRUCTION 6х37 (1+6+12+18)+1х37 (1+6+12+18)
Assortment
Two lay steel rope of TK type construction 6x37 (1+6+12+18)+1x37 (1+6+12+18). Dimensions
ISS 77.140.65
OKP 12 5100, 12 5200
Date of introduction 1990−01−01
APPROVED AND put INTO EFFECT by Decision of the USSR State Committee for standards from
The expiration time limit is removed by the Resolution of Gosstandart from
INSTEAD, GOST 3068−74
Edition (may 2011) Change 1, approved in April 1992 (IUS 7−92)
1. This standard applies to steel double-lay ropes with point touch the wires in the strands of type TC with a metal core.
The standard does not apply to the ropes used on hoisting cranes.
2. The ropes are divided:
for the purpose:
freight — G;
mechanical properties:
mark VC,
mark,
mark 1;
by coating the surface of wire rope:
from wire without coating,
galvanized wire depending on the surface density of zinc: C, W;
galvanized wire;
hard aggressive work environment, Well,
for medium to aggressive working conditions;
the direction of lay of rope:
right
left — L;
the combination of directional of lay of the rope elements:
cross;
by way of lay:
unwinding,
prosrochena — N;
for precision manufacturing:
normal
high — T;
according to the degree of balance:
ratowanie — R,
neritani.
Examples of symbols
Rope with a diameter of 13.0 mm, cargo destination, grade 1, from wire without coating, right-hand cross-lay, prescripcialis, Neradovsky, normal accuracy, marking the group 1770 N/mm(180 kgf/mm
):
The rope 13-G-1-N-1770 GOST 3068−88
Rope diameter 7.2 mm, cargo destination, brand, galvanized by the group, left cross lay, prescripcialis, Neradovsky, high precision, marking the group’s 1960 N/mm(200 kgf/mm
):
The rope is 7.2-G-V-s-L-N-T-1960 GOST 3068−88
3. The diameter of rope and basic parameters shall be as specified in the table.
Notes:
1. The ropes, breaking strength of which is given to the left of the bold line are made of wire without coating and galvanized, the right of the bold line — wire without coating. By agreement between manufacturer and consumer ropes made of galvanized wire.
2. The diameters of the ropes over 10mm rounded to whole numbers or to 0.5 mm.
3. It is possible to manufacture ropes with a thick core, the diameter of the rope must not exceed the limits set by GOST 3241−91.
2, 3. (Changed edition, Rev. N 1).
4. Technical requirements, acceptance rules, test methods, marking, packaging, transportation and storage — by GOST 3241−91.
The electronic text of the document
prepared by JSC «Code» and checked by:
the official publication of the
Steel ropes. Assortment: Sat.Standards. -
M.: STANDARTINFORM, 2011
